21125698509916

Names of 21125698509916

• Cardinal: 21125698509916 can be written as Twenty-one trillion, one hundred twenty-five billion, six hundred ninety-eight million, five hundred nine thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.1125698509916 × 10¹³

Factors of 21125698509916

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 916695

Divisors of 21125698509916

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 11 13 14 22 26 28 44 49 52 77 91 98 143 154 182 196 286 308 364 539 572 637 823 1001 1078 1274 1646 2002 2156 2548 3292 4004 5761 7007 9053 10699 11522 14014 18106 21398 23044 28028 36212 40327 42796 63371 74893 80654 117689 126742 149786 161308 235378 253484 299572 443597 470756 524251 823823 887194 915839 1048502 1647646 1774388 1831678 2097004 3295292 3663356 5766761 6410873 10074229 11533522 11905907 12821746 20148458 23067044 23811814 25643492 40296916 44876111 47623628 70519603 83341349 89752222 130964977 141039206 166682698 179504444 261929954 282078412 333365396 493637221 523859908 583389443 753735497 916754839 987274442 1166778886 1507470994 1833509678 1974548884 2333557772 3014941988 3667019356 5276148479 6417283873 8291090467 9798561461 10552296958 12834567746 16582180934 19597122922 21104593916 25669135492 33164361868 36933039353 39194245844 58037633269 68589930227 73866078706 107784176071 116075266538 137179860454 147732157412 215568352142 232150533076 274359720908 406263432883 431136704284 480129511589 754489232497 812526865766 960259023178 1508978464994 1625053731532 1920518046356 3017956929988 5281424627479 10562849254958 21125698509916
• Sum of all divisors σ(n): 50585843589120
• Sum of proper divisors (its aliquot sum) s(n): 29460145079204
• 21125698509916 is an abundant number, because the sum of its proper divisors (29460145079204) is greater than itself. Its abundance is 8334446569288

Bases of 21125698509916

• Binary: 100110011011010110101110000010101110001011100₂
• Hexadecimal: 0x1336B5C15C5C
• Base-36: 7HL0FFYOS

Squares and roots of 21125698509916

• 21125698509916 squared (21125698509916²) is 446295137531867102750327056
• 21125698509916 cubed (21125698509916³) is 9428296521939721138537924352320859087296
• The square root of 21125698509916 is 4596270.0649457055
• The cube root of 21125698509916 is 27644.1787517447

Scales and comparisons

• 21,125,698,509,916 seconds is equal to 671,731 years, 45 weeks, 10 hours, 5 minutes, 16 seconds.
• To count from 1 to 21,125,698,509,916 would take you about one million, six hundred seventy-nine thousand, three hundred twenty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21125698509916 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125698509916

• 21125698509916 backwards is 61990589652112
• The number of decimal digits it has is: 14
• The sum of 21125698509916's digits is 64
• More coming soon!